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peripheral neuropathy not diabetic

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https://www.readbyqxmd.com/read/29436863/proinsulin-expressing-dendritic-cells-in-type-2-neuropathic-diabetic-patients-with-and-without-foot-lesions
#1
Maria Sambataro, Luisa Sambado, Enrica Trevisiol, Matilde Cacciatore, Anna Furlan, Piero Maria Stefani, Elena Seganfreddo, Elisabetta Durante, Stefania Conte, Silvia Della Bella, Agostino Paccagnella, Angelo Paolo Dei Tos
Diabetic neuropathy is the most common complication of diabetes and is frequently associated with foot ischemia and infection, but its pathogenesis is controversial. We hypothesized that proinsulin expression in peripheral blood mononuclear cells is a process relevant to this condition and could represent a link among hyperglycemia, nerve susceptibility, and diabetic foot lesions. We assessed proinsulin expression by using flow cytometry in dendritic cells from control participants and patients with type 2 diabetic with or without peripheral neuropathy or accompanied by diabetic foot...
February 12, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29429781/high-prevalence-and-incidence-of-diabetic-peripheral-neuropathy-in-children-and-adolescents-with-type-1-diabetes-mellitus-results-from-a-five-year-prospective-cohort-study
#2
Isabella Walter-Höliner, Daniela Seick Barbarini, Jürg Lütschg, Anya Blassnig-Ezeh, Ulrike Zanier, Christoph H Saely, Burkhard Simma
BACKGROUND: In this prospective cohort study, we investigated the prevalence of diabetic peripheral neuropathy at baseline and after five years of follow-up in children and adolescents with type 1 diabetes mellitus using both measurements of nerve conduction velocity and clinical neurological examination. METHODS: A total of 38 patients who underwent insulin pump or intensive insulin therapy were included. The subjects averaged 12.6 ± 2.4 years of age and their diabetes duration averaged 5...
December 13, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29429414/rapidly-progressive-neovascular-glaucoma-following-coronary-artery-bypass-graft-surgery-in-a-patient-with-type-1-diabetes-mellitus-a-case-report
#3
Vasant Raman, Rosemary Lambley
BACKGROUND: Proliferative diabetic retinopathy leading to vitreous hemorrhage, tractional retinal detachment, and neovascular glaucoma is a major cause of severe sight impairment in adults of working age worldwide. Neovascular glaucoma occurs in 2.5% of patients with proliferative diabetic retinopathy, which is difficult to treat and often leads to blindness. Onset of neovascular glaucoma with rapid progression to blindness within a few weeks of a successful coronary artery bypass graft procedure is not known with this clinical entity...
February 12, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29421543/sigma-1-receptor-mediated-hmgb1-expression-in-spinal-cord-is-involved-in-the-development-of-diabetic-neuropathic-pain
#4
Xiaolei Wang, Chang Feng, Yong Qiao, Xin Zhao
No study has been conducted to examine the interactions of sigma-1 receptor (Sigma-1R) and high mobility group box 1 protein (HMGB1) in the development of diabetic peripheral neuropathy. Thus, we examined the effects of streptozotocin (STZ) treatment on expression of HMGB1 in subcellular levels in the dorsal root ganglion (DRG) in both wild-type and Sigma-1R-/- mice and evaluated the effects of repeated intrathecal administrations of selective Sigma-1R antagonists BD1047, agonist PRE-084, or HMGB1 inhibitor glycyrrhizin on peripheral neuropathy in wild-type mice...
February 5, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29398906/involvement-of-microrna-146a-in-diabetic-peripheral-neuropathy-through-the-regulation-of-inflammation
#5
Yonghao Feng, Long Chen, Qiong Luo, Men Wu, Yinghui Chen, Xiaohong Shi
Purpose: Recent evidence has shown the involvement of inflammation in the development of diabetic peripheral neuropathy (DPN). MicroRNA-146a (miR-146a) is closely involved in the inflammatory response. However, the role of miR-146a in the inflammatory reaction in DPN has not been clarified. This study was designed to explore the role of miR-146a in the regulation of inflammatory responses in DPN. Methods: Rats were randomly divided into three groups (n=6 per group): control group, type 2 diabetes mellitus (T2DM) group and DPN group...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29396983/stable-rat-model-of-mechanical-allodynia-in-diabetic-peripheral-neuropathy-the-role-of-nerve-compression
#6
Chenlong Liao, Min Yang, Pengfei Liu, Wenxiang Zhong, Wenchuan Zhang
BACKGROUND: Preclinical studies involving animal models are essential for understanding the underlying mechanisms of diabetic neuropathic pain. METHODS: Rats were divided into four groups: two controls and two experimental. Diabetes mellitus was induced by streptozotocin (STZ) injection in two experimental groups. The first group involved one sham operation. The second group involved one latex tube encircling the sciatic nerve. The vehicle-injection rats were used as two corresponding control groups: sham operation and encircled nerves...
February 2, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29379943/efficacy-of-oral-mixed-tocotrienols-in-diabetic-peripheral-neuropathy-a-randomized-clinical-trial
#7
Chee Peng Hor, Wai Yee Fung, Hock Aun Ang, Sheau Chin Lim, Li Ying Kam, Su-Way Sim, Luen Hui Lim, Wai Yee Choon, Jia Woei Wong, Alan Swee Hock Ch'ng, Kelvin Khai Meng Beh, Hong Chin Wee, Loke Meng Ong, Nurzalina Abdul Karim Khan, Syed Azhar Syed Sulaiman, Ibrahim Lutfi Shuaib, Adlina Bakar, Yusnita Yusof, Yusmawati Mohd Yusof, Fatimah Abu Bakar, Wei Shuong Tang, Hoon Lang Teh, Normala Abdul Wahid, Suriani Saaidin, Najihah Idris, Chee Kin Yoon, Hoon Ngoh Ong, Jayasumithra T Ganapathy, Ching Ee Loo, Michelle M Samy, Hadzlinda Zainal, Shalini C Sree Dharan, Bee Yen Ooi, Pei Yeing Teoh, Yi Loon Tye, Chin Aun Yeoh, Dy Win Low, Irene Looi, Kah Hay Yuen
Importance: Management of painful diabetic peripheral neuropathy remains challenging. Most therapies provide symptomatic relief with varying degrees of efficacy. Tocotrienols have modulatory effects on the neuropathy pathway and may reduce neuropathic symptoms with their antioxidative and anti-inflammatory activities. Objective: To evaluate the efficacy of oral mixed tocotrienols for patients with diabetic peripheral neuropathy. Design, Setting, and Participants: The Vitamin E in Neuroprotection Study (VENUS) was a parallel, double-blind, placebo-controlled trial that recruited participants from January 30, 2011, to December 7, 2014, with 12 months of follow-up...
January 29, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29351809/axonal-transport-in-a-peripheral-diabetic-neuropathy-model-sex-dimorphic-features
#8
Marzia Pesaresi, Silvia Giatti, Roberto Spezzano, Simone Romano, Silvia Diviccaro, Tiziana Borsello, Nico Mitro, Donatella Caruso, Luis Miguel Garcia-Segura, Roberto Cosimo Melcangi
BACKGROUND: Disruption of axonal transport plays a pivotal role in diabetic neuropathy. A sex-dimorphism exists in the incidence and symptomatology of diabetic neuropathy; however, no studies so far have addressed sex differences in axonal motor proteins expression in early diabetes as well as the possible involvement of neuroactive steroids. Interestingly, recent data point to a role for mitochondria in the sexual dimorphism of neurodegenerative diseases. Mitochondria have a fundamental role in axonal transport by producing the motors' energy source, ATP...
January 19, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29323138/whole-mount-adult-ear-skin-imaging-reveals-defective-neuro-vascular-branching-morphogenesis-in-obese-and-type-2-diabetic-mouse-models
#9
Tomoko Yamazaki, Wenling Li, Ling Yang, Ping Li, Haiming Cao, Sei-Ichiro Motegi, Mark C Udey, Elise Bernhard, Takahisa Nakamura, Yoh-Suke Mukouyama
Obesity and type 2 diabetes are frequently associated with peripheral neuropathy. Though there are multiple methods for diagnosis and analysis of morphological changes of peripheral nerves and blood vessels, three-dimensional high-resolution imaging is necessary to appreciate the pathogenesis with an anatomically recognizable branching morphogenesis and patterning. Here we established a novel technique for whole-mount imaging of adult mouse ear skin to visualize branching morphogenesis and patterning of peripheral nerves and blood vessels...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29304099/functional-magnetic-resonance-imaging-reveals-differences-in-brain-activation-in-response-to-thermal-stimuli-in-diabetic-patients-with-and-without-diabetic-peripheral-neuropathy
#10
Juan Li, Wanying Zhang, Xia Wang, Tangmi Yuan, Peiyao Liu, Tao Wang, Le Shen, Yuguang Huang, Naishi Li, Hui You, Tixian Xiao, Feng Feng, Chao Ma
INTRODUCTION: Diabetes affects both the peripheral and central nervous systems. The aim of this study was to explore the changes in brain activity in response to thermal stimuli in diabetic patients with and without diabetic peripheral neuropathy (DPN) using functional magnetic resonance imaging (fMRI). METHODS: A total of 36 right-handed volunteers were enrolled: eight patients with Type-2 diabetes mellitus and DPN, 13 patients with Type-2 diabetes mellitus lacking DPN (NDPN patients), and 15 healthy volunteers (HV)...
2018: PloS One
https://www.readbyqxmd.com/read/29296613/mglur2-3-activation-of-the-sirt1-axis-preserves-mitochondrial-function-in-diabetic-neuropathy
#11
Krish Chandrasekaran, Anjaneyulu Muragundla, Tyler G Demarest, Joungil Choi, Avinash R Sagi, Neda Najimi, Pranith Kumar, Anmol Singh, Cheng-Ying Ho, Gary Fiskum, Lauren G Koch, Steven L Britton, James W Russell
Objectives: There is a critical need to develop effective treatments for diabetic neuropathy. This study determined if a selective mGluR2/3 receptor agonist prevented or treated experimental diabetic peripheral neuropathy (DPN) through glutamate recycling and improved mitochondrial function. Methods: Adult male streptozotocin treated Sprague-Dawley rats with features of type 1 diabetes mellitus (T1DM) or Low Capacity Running (LCR) rats with insulin resistance or glucose intolerance were treated with 3 or 10 mg/kg/day LY379268...
December 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29277966/role-of-inflammatory-biomarker-in-diabetic-peripheral-neuropathy
#12
Heung Yong Jin, Tae Sun Park
Diabetic peripheral neuropathy (DPN) is the most common chronic neurological complication of diabetes1 . Small and large peripheral nerve fibers may be involved in DPN. Large nerve fiber damage causes paresthesia, sensory loss, and muscle weakness and small nerve fiber damage is associated with pain, anesthesia, foot ulcer, and autonomic symptoms. However, the exact pathogenic mechanisms and diagnostic criteria for DPN are not firmly established currently. The present DPN prevention, diagnosis, and treatment strategies are incomplete and unsuccessful due to the various pathogenesis of systemic and cellular disturbance in glucose and lipid metabolism...
December 26, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29275068/sucrose-octasulfate-dressing-versus-control-dressing-in-patients-with-neuroischaemic-diabetic-foot-ulcers-explorer-an-international-multicentre-double-blind-randomised-controlled-trial
#13
Michael Edmonds, José Luis Lázaro-Martínez, Jesus Manuel Alfayate-García, Jacques Martini, Jean-Michel Petit, Gerry Rayman, Ralf Lobmann, Luigi Uccioli, Anne Sauvadet, Serge Bohbot, Jean-Charles Kerihuel, Alberto Piaggesi
BACKGROUND: Diabetic foot ulcers are serious and challenging wounds associated with high risk of infection and lower-limb amputation. Ulcers are deemed neuroischaemic if peripheral neuropathy and peripheral artery disease are both present. No satisfactory treatment for neuroischaemic ulcers currently exists, and no evidence supports one particular dressing. We aimed to assess the effect of a sucrose octasulfate dressing versus a control dressing on wound closure in patients with neuroischaemic diabetic foot ulcers...
December 20, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29273401/effect-of-streptozotocin-induced-diabetes-on-motor-representations-in-the-motor-cortex-and-corticospinal-tract-in-rats
#14
Ken Muramatsu, Masako Ikutomo, Toru Tamaki, Satoshi Shimo, Masatoshi Niwa
Motor disorders in patients with diabetes are associated with diabetic peripheral neuropathy, which can lead to symptoms such as lower extremity weakness. However, it is unclear whether central motor system disorders can disrupt motor function in patients with diabetes. In a streptozotocin-induced rat model of type 1 diabetes, we used intracortical microstimulation to evaluate motor representations in the motor cortex, recorded antidromic motor cortex responses to spinal cord stimulation to evaluate the function of corticospinal tract (CST) axons, and used retrograde labeling to evaluate morphological alterations of CST neurons...
December 19, 2017: Brain Research
https://www.readbyqxmd.com/read/29250555/a-comparison-of-screening-tools-for-the-early-detection-of-peripheral-neuropathy-in-adults-with-and-without-type-2-diabetes
#15
Jennifer J Brown, Shana L Pribesh, Kimberly G Baskette, Aaron I Vinik, Sheri R Colberg
Objective: Examine the effectiveness of the 128 Hz tuning fork, two monofilaments, and Norfolk Quality of Life Diabetic Neuropathy (QOL-DN) questionnaire as tools for the early detection of diabetic peripheral neuropathy (DPN) in overweight, obese, and inactive (OOI) adults or those who have prediabetes (PD) or type 2 diabetes (T2D). Research Design and Methods: Thirty-four adults (mean age 58.4 years ± 12.1) were divided by glycemia (10 OOI normoglycemic, 13 PD, and 11 T2D)...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29238976/a-spontaneously-immortalized-schwann-cell-line-from-aldose-reductase-deficient-mice-as-a-useful-tool-for-studying-polyol-pathway-and-aldehyde-metabolism
#16
Naoko Niimi, Hideji Yako, Shizuka Takaku, Hiroshi Kato, Takafumi Matsumoto, Yasumasa Nishito, Kazuhiko Watabe, Saori Ogasawara, Hiroki Mizukami, Soroku Yagihashi, Sookja K Chung, Kazunori Sango
The increased glucose flux into the polyol pathway via aldose reductase (AR) is recognized as a major contributing factor for the pathogenesis of diabetic neuropathy, whereas little is known about the functional significance of AR in the peripheral nervous system. Spontaneously immortalized Schwann cell lines established from long-term cultures of AR-deficient and normal C57BL/6 mouse dorsal root ganglia (DRG) and peripheral nerves can be useful tools for studying the physiological and pathological roles of AR...
December 14, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29229552/caspase-6-is-a-dispensable-enabler-of-adult-mammalian-axonal-degeneration
#17
V Woo, C Cheng, A Duraikannu, A Chandrasekhar, K Purdy, J A Martinez, D W Zochodne
The progress of axonal degeneration (AxD) following injury or insult impacts both recovery from axonal transection and protection of axons from diverse insults, or axonopathy. Here we provide evidence that increases in capase-6 (Casp6) expression and action contribute to the progression of AxD. The expression of Casp6 protein and mRNA in distal branches of sensory axons undergoing AxD was confirmed. We developed and utilized a new model of axonopathy in live mice by serially visualizing the viability of cutaneous axons in the ear pinna that expressed an axonal YFP transgene, in response to capasaicin-induced AxD...
December 8, 2017: Neuroscience
https://www.readbyqxmd.com/read/29221815/corneal-confocal-microscopy-as-a-non-invasive-test-to-assess-diabetic-peripheral-neuropathy
#18
Qian Xiong, Bin Lu, Hong-Ying Ye, Si-Ying Liu, Hang-Ping Zheng, Rui-Yun Zhang, Xiao-Na Qiao, Shuo Zhang, Xiao-Xia Liu, Qing-Chun Li, Na Yi, Liang-Cheng Wu, Jie Wen, Tian-Song Zhang, Yi-Ming Li
OBJECTIVE: To evaluate the efficacy of corneal confocal microscopy (CCM)as a non-invasive test to assess diabetic peripheral neuropathy in Chinese patients diagnosed with type 2 diabetes. RESEARCH DESIGN AND METHODS: Diabetic distal symmetric polyneuropathy (DSPN) and its severity degrees were assessed based on the modified Toronto diagnostic criteria in 128 patients with type 2 diabetes (No DSPN [n = 49], mild DSPN [n = 43], moderate-to-severe DSPN [n = 36]) and 24 age-matched controls...
December 5, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29217500/peripheral-neuropathy-as-a-complication-of-diabetic-ketoacidosis-in-a-child-with-newly-diagnosed-diabetes-type-1-case-report
#19
Marta Baszyńska-Wilk, Marta Wysocka-Mincewicz, Anna Świercz, Jolanta Świderska, Magdalena Marszał, Mieczysław Szalecki
BACKGROUND: Neurological complications of diabetic ketoacidosis are considered to be very serious clinical problem. The most common complication is cerebral edema. However this group includes also less common syndromes such as ischemic or hemorrhagic stroke, cerebral venous and sinus thrombosis or very rare peripheral neuropathy. CASE REPORT: We present a case of 9-year old girl with new onset type 1 diabetes, diabetic ketoacidosis, cerebral edema, multifocal vasogenic brain lesions and lower limbs peripheral paresis...
December 8, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/29199767/oxcarbazepine-for-neuropathic-pain
#20
REVIEW
Muke Zhou, Ning Chen, Li He, Mi Yang, Cairong Zhu, Fengbo Wu
BACKGROUND: Several anticonvulsant drugs are used in the management of neuropathic pain. Oxcarbazepine is an anticonvulsant drug closely related to carbamazepine. Oxcarbazepine has been reported to be efficacious in the treatment of neuropathic pain, but evidence from randomised controlled trials (RCTs) is conflicting. Oxcarbazepine is reportedly better tolerated than carbamazepine. This is the first update of a review published in 2013. OBJECTIVES: To assess the benefits and harms of oxcarbazepine for different types of neuropathic pain...
December 2, 2017: Cochrane Database of Systematic Reviews
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